D.M. Metalloys Private Limited

Stainless Steel Shims are thin, precision-cut metal sheets or strips used to fill gaps, provide accurate spacing, adjust tolerances, and ensure alignment in mechanical assemblies. Made from high-quality stainless steel grades like 304, 316, and 202, these shims offer excellent corrosion resistance, strength, and durability in a wide range of industrial and engineering applications.

Shims are essential in industries such as automotive, aerospace, construction, electrical, fabrication, and machinery manufacturing, where accurate fit and stability are critical. Stainless steel is the material of choice due to its resistance to rust, heat, and chemical exposure, making these shims suitable for both indoor and outdoor use.

• Material Grades: 304, 304L, 316, 316L, 202, 430

• Finish Options: 2B (dull smooth), BA (bright), matte

• Temper: Soft annealed or half-hard, based on application

• Form: Sheets, rolls, strips, or die-cut profiles

• Packaging: Custom wrapped or coil-packed as per client need

• Edge: Slit edge or deburred for safety and precision

• Automotive: Engine mounts, gearbox alignments, exhaust components

• Aerospace: Shim packs, structural spacing, high-tolerance fitting

• Machinery: Die shims, bearing adjustment, vibration dampening

• Electrical & Electronics: Spacer plates, heat shields, EMI isolation

• HVAC & Construction: Alignment of ductwork, brackets, support systems

• Furniture & Appliances: Leveling, gap-filling, alignment in assembly

• Medical & Precision Devices: Calibration support, micromechanical setups

• Corrosion and heat resistant

• Strong and durable under pressure

• Non-magnetic options available (e.g., 304, 316)

• Easily cut, bent, or punched as required

• Long service life and low maintenance

• Suitable for cleanroom and hygienic environments

0.025 mm to 1.5 mm

(Custom sizes available; tolerances as per ASTM standards)

304 Stainless Steel Shim Sheets are thin, precision-engineered flat sheets made from Grade 304 austenitic stainless steel, offering a combination of excellent corrosion resistance, strength, and formability. These sheets are widely used in applications that demand tight tolerances, durability, and resistance to environmental exposure, making them ideal for shimming, spacing, adjusting, sealing, and gasket applications in a variety of industries.

Grade 304 is the most versatile and commonly used stainless steel, composed of 18–20% chromium and 8–10.5% nickel, delivering excellent resistance to oxidation, moisture, and many chemicals.

• Material: AISI 304 / UNS S30400

• Finish: 2B (smooth, dull), BA (bright annealed), or matte

• Hardness: Annealed or half-hard, depending on application

• Thickness Range: 0.025 mm (0.001") to 1.5 mm (0.060")

• Tolerances: Precision thickness tolerances for critical applications

• Width & Length: Standard coils (up to 1500 mm width), or cut sheets (e.g., 150 mm × 300 mm, 300 mm × 600 mm)

• Aerospace: Precision components, spacers, vibration dampening

• Automotive: Engine shims, exhaust seals, braking systems

• Electronics: EMI shielding, insulation barriers

• Industrial: Alignment shims, die spacers, structural tolerances

• Construction: HVAC systems, cladding, flexible seals

• Medical: Instrument parts, shimming for equipment calibration

• Marine: Corrosion-resistant seals and washers

• Excellent corrosion resistance in a wide range of environments

• High strength-to-weight ratio

• Non-magnetic in annealed condition

• Easy to fabricate, cut, stamp, and laser-process

• Suitable for high-precision and critical fit applications

• Long-lasting and recyclable material

• Conforms to ASTM A240, AMS 5513, JIS G4305

• ISO 9001:2015 certified manufacturing

• Supplied with Mill Test Certificates (MTCs) upon request

316 Stainless Steel Shim Sheets are precision-thin, flat sheets made from marine-grade AISI 316 stainless steel, known for its exceptional corrosion resistance, especially in chloride-rich or acidic environments. These shim sheets are ideal for high-performance applications where chemical exposure, moisture, or saltwater is present—making them highly suitable for marine, chemical, pharmaceutical, and food-grade environments.

Composed of approximately 16–18% chromium, 10–14% nickel, and 2–3% molybdenum, Grade 316 offers enhanced resistance to pitting, crevice corrosion, and oxidation compared to 304 or 202 grades. This makes 316 shims a premium solution where both precision fit and long-term durability are critical.

• Material: AISI 316 / UNS S31600

• Finish Options: 2B, BA (bright annealed), matte

• Temper: Soft annealed or half-hard

• Form: Rolls, strips, cut-to-size sheets, or custom die cuts

• Surface: Smooth, corrosion-resistant, and cleanroom compatible

• Protection: PVC coating available on polished variants

• Marine Engineering: Pumps, valves, gaskets, precision spacers

• Chemical Plants: Alignment shims in reactors, seals, pipework

• Pharmaceutical: Equipment calibration, cleanroom fixtures

• Food Processing: Machine alignment, hygienic gap fillers

• Medical: Sterile environments, diagnostic instruments

• Aerospace: Precision assemblies exposed to corrosive agents

• General Industry: Vibration isolation, leveling, structural support

• Superior corrosion resistance in saline or acidic conditions

• Excellent strength and toughness even at high temperatures

• Non-magnetic in annealed condition

• Easily cut, shaped, or stamped for customized fit

• Ideal for harsh or hygienic environments

• Long-lasting and low-maintenance

0.025 mm to 1.5 mm

(Custom sizes and tolerances available as per ASTM A240 or JIS G4305)

202 Stainless Steel Shim Sheets are thin, precision-rolled sheets made from Grade 202 austenitic stainless steel, offering a reliable combination of strength, corrosion resistance, and affordability. With higher manganese (7.5–10%) and lower nickel (4–6%) content than 304, 202 grade is a cost-effective alternative for non-marine environments where moderate corrosion resistance and excellent mechanical properties are required.

These shims are widely used in manufacturing, engineering, and repair applications to adjust spacing, alignment, and tolerances in equipment, machinery, and structures.

• Material: AISI 202 / UNS S20200

• Composition: 17–19% Chromium, 4–6% Nickel, 7.5–10% Manganese

• Finish: 2B, matte, or bright annealed

• Thickness Range: 0.025 mm (0.001") to 1.5 mm (0.060")

• Widths: Up to 1500 mm

• Forms: Rolls, sheets, strips, or custom die-cut pieces

• Hardness: Available in soft (annealed) and half-hard tempers

• Automotive: Shimming in engines, axles, suspension parts

• Machinery: Gear spacing, alignment, vibration control

• Fabrication: Die shims, mounting surfaces, structural spacing

• HVAC & Appliances: Brackets, spacers, non-visible structural parts

• Construction: Equipment calibration, sheet metal work

• Furniture & Fixtures: Leveling pads, brackets, concealed shimming

• Electrical Panels: Grounding barriers, spacer strips

• High mechanical strength

• Good resistance to corrosion in dry and mildly humid conditions

• More economical than 304/316 for indoor or low-corrosive settings

• Excellent formability and workability

• Recyclable and easy to machine, stamp, laser cut, or weld

• Not recommended for marine or chloride-rich environments

• Slightly lower corrosion resistance than 304 or 316

• Compliant with ASTM A240, JIS G4305, and EN 10088-2

• Supplied with Mill Test Certificates (MTCs)

• ISO 9001:2015 certified production